中文摘要：

-系列2-氰基-3-取代吡啶甲胺基丙烯酸酯被合成作为光合作用光系统Ⅱ电子传递抑制剂．生测发现-些目标化合物表现出很好的除草活性，如（Z）-2-氰基-3-异丙基-3-（2-烷氧基取代的吡啶-3-基）甲胺基丙烯酸乙氧乙酯．生测结果表明在吡啶环的2位合适的取代基和丙烯酸酯的3位取代基的体积对除草活性至关重要．

英文摘要：

A series of 2-cyano-3-（substituted）pyridinemethylaminoacrylates were synthesized as herbicidal inhibitors of photosystem Ⅱ （PSⅡ） electron transport and their herbicidal activities were evaluated. Some of them exhibited excellent herbicidal activities, especially （Z）-ethoxyethyl 2-cyano-3-isopropyl-3-（2- alkoxypyridin-3-yl）methaneaminoacrylate. These results indicated that a suitable substituent at the 2-position of pyridine ring and a well-fit group at the 3-position of acrylate were both essential for high herbicidal activity.